Question

what helped the Chola ruler Rajaraja 1 to establish control over several island territories ?​

Answer 1

Answer:

Explanation:

In 925, his son Parantaka I conquered Sri Lanka (known as Ilangai). Parantaka I also defeated the Rashtrakuta dynasty under Krishna II in the battle of Vallala. Rajaraja Chola I and Rajendra Chola I were the greatest rulers of the Chola dynasty, extending it beyond the traditional limits of a Tamil kingdom.